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Cloudflare clef vs OneJev1.5-9B

OneJev1.5-9B is more accurate on the Jev Decision Index, OneJev1.5-9B is better calibrated. Choose on whichever of accuracy, calibration and cost matters most for your decisions.

SpecCloudflare clefOneJev1.5-9B
ProviderCloudflareOmniJev
Decision Index score53.153.3
Calibration error (ECE)0.0400.029
Median latency (p50)102 ms111 ms
Cost per 1,000 decisions——
Parameters28B9B
Open weightsYesYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDecoder LM with a decision readoutDecoder LM with a decision readout
Licenseapache-2.0apache-2.0

FAQ

Is Cloudflare clef or OneJev1.5-9B more accurate?

OneJev1.5-9B scores higher on the Jev Decision Index (53.3 vs 53.1).

Which is better calibrated, Cloudflare clef or OneJev1.5-9B?

OneJev1.5-9B has the lower expected calibration error (0.029 vs 0.040), so its stated confidence is closer to how often it is right.

Is Cloudflare clef or OneJev1.5-9B cheaper per 1,000 decisions?

A hosted price is not recorded for both models; open-weight models cost the compute you run them on.

Cost per 1,000 decisions assumes 200 input tokens per decision. Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.